【摘要】 向前安全和有效取消是群签名体制应具有的重要性质,它可以减轻由于密钥暴露带来的损害,支持群成员的取消.文中对具有向前安全和有效取消性质的群签名的设计加以分析,并设计出一种具有上述性质的群签名体制.更多还原

【Abstract】 Forward security and efficient revocation are two important properties for group signature,because it can reduce the damage of the exposure of a group signing key and support revocation of group members.In this paper,the authors analyze the design for group signature with forward security and efficient revocable,furthermore propose a group signature scheme with(above) properties.更多还原